CVE-2025-12559
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
Mattermost fails to sanitize team email addresses in github.com/mattermost/mattermost-server
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/mattermost/mattermost/server/v8 | <8.0.0-20251015091448-abbf01b9db45 | 8.0.0-20251015091448-abbf01b9db45 |
| Go | github.com/mattermost/mattermost-server | >=11.0.0,<11.0.3 | 11.0.3 |
| Go | github.com/mattermost/mattermost-server | >=10.12.0,<10.12.2 | 10.12.2 |
| Go | github.com/mattermost/mattermost-server | >=10.11.0,<10.11.5 | 10.11.5 |
| Go | github.com/mattermost/mattermost-server | >=10.5.0,<10.5.13 | 10.5.13 |
| Go | github.com/mattermost/mattermost-server | | |
| Go | github.com/mattermost/mattermost-server/v5 | | |
| Go | github.com/mattermost/mattermost-server/v6 | | |
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-12559
- https://github.com/mattermost/mattermost/pull/34110
- https://github.com/mattermost/mattermost/commit/5d8719042c1807da59ac8a821624eb01152d8495
- https://github.com/mattermost/mattermost/commit/649aee8fa9184ca59bd66022a33b8f8918e413aa
- https://github.com/mattermost/mattermost/commit/7ccb62db7958abd6a4b21a06c5a4f5367a8f8b1f
- https://github.com/mattermost/mattermost/commit/9f54e5cdc3aef412945ff0e6a58338f7b549bdda
- https://github.com/mattermost/mattermost/commit/abbf01b9db45d1850eaf3701ea8362b910193ffd
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
- https://github.com/advisories/GHSA-4g87-9x45-cx2h
Verify integrity in audit chain (admin only). AS-IS.